(* ::Package:: *)

 


(* ::Section:: *)
(* PauliChainJoin *)


(* ::Text:: *)
(*`PauliChainJoin[exp]` joins chains of Pauli matrices with explicit Pauli indices wrapped with a head `PauliChain`.*)


(* ::Subsection:: *)
(* See also *)


(* ::Text:: *)
(*PauliChain, PCHN, PauliIndex, PauliIndexDelta, DIDelta, PauliChainCombine, PauliChainExpand, PauliChainFactor.*)


(* ::Subsection:: *)
(* Examples *)


PCHN[PauliXi[-I],i] PCHN[CSID[a] . CSID[b],i,j] PCHN[j,PauliEta[I]]
PauliChainJoin[%]
